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IPS > Unit 2 and 3 Test > Flashcards

Unit 2 and 3 Test Flashcards

1
Q

formula for speed

A

s=d/t

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2
Q

formula for velocity

A

v=d/t direction

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3
Q

formula for momentum

A

p=m x v

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4
Q

formula acceleration

A

a=vf-vi/ t

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5
Q

formula or force

A

F=m x a

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6
Q

formula of weight

A

W=m x g

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7
Q

Formula to find the change in velocity of a falling object

A

^v=g x t

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8
Q

formula to find distance an object would fall due to gravity

A

d=1/2g x t^2

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9
Q

Occurs when an object changes its position

A

Motion

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10
Q

The speed of an object over time with a direction

A

Velocity

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11
Q

Forces that are not equal in all directions. Has a net force greater than 0.

A

Unbalanced Forces

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12
Q

A force that apposes the motion of objects moving through air.

A

Air resistance

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13
Q

The measurement of gravitational force exerted on an objects mass.

A

Weight

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14
Q

A property of a moving object that depends on the objects mass and velocity.

A

Momentum

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14
Q

A property of a moving object that depends on the objects mass and velocity.

A

Momentum

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15
Q

The distance and direction of an objects final position from its initial position

A

Displacement

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16
Q

Change in velocity over time

A

Acceleration

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17
Q

The sum of all forces acting on an object

A

Net force

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18
Q

The highest velocity a falling object will reach as the object falls due to gravity.

A

Terminal Velocity

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19
Q

The amount of matter in an object

A

Mass

20
Q

g

A

The gravitational force exerted on an object’s mass.

21
Q

Distance an object travels over time.

A

speed

22
Q

Any push or pull on an object.

A

force

23
Q

friction

A

The force that opposes the motion between 2 surfaces in contact.

24
Q

Inertia

A

The tendency of an object to resist any change in the objects motion.

25
Q

In object moving through the air.

A

Projectile

26
Q

When an object falls due to gravity free from air resistance

A

free fall

27
Q

Total distance an object moves over the toal period of time.

A

Average speed

28
Q

balanced force

A

Forces acting on an object that are equal in size but opposite in direction

29
Q

micro-welds

A

When tiny ridges or bumps on an objects surface come into contact

30
Q

gravity

A

AN attractive force between two objects that depends on the masses of the objects and the distance between the objects

31
Q

centripetal force

A

A force that causes an object to move in a curved/circular path.

32
Q

Physical Science

A

The study of matter and energy.

33
Q

Newtons first law

A

An object at rest tends to stay at rest, an object in motion tends to stay in motion, unless acted on by an unbalanced force.

34
Q

Newtons first law

A

An object moves at a constant velocity unless an unbalanced force acts on the object

35
Q

The law of inertia is another meaning for what Newtons law?

A

First Law of motion

36
Q

Newtons second law of motion

A

An objects acceleration is in the same direction as the net force on the object and is equal to the net force exerted on the object divided by the objects mass.

37
Q

Newtons second law of motion

A

The motion of an object changes only if an unbalanced force acts on the object.

38
Q

newtons second law of motion formula

A

a=F/m

39
Q

newtons third law of motion

A

For every action force there is an equal but opposite reaction force

40
Q

newtons second law of motion

A

When an object exerts a force on a second object, the second object exerts a force on the first object equal in strength and opposite in direction.

41
Q

3 factors to determine whether or not an object will reach terminal velocity

A

-the height with which object is dropped
-mass of the object
-surface area of the object

42
Q

4 factors that affect the amount of friction between the surfaces of objects

A

-type of material object is composed
-roughness of the surfaces in contact
-the amount of force being applied pushing the two surfaces together
-Amount of surface area in contact

43
Q

2 factors that affect the amount of friction between the surfaces of an object

A

-The amount of surface area size and shape
-velocity of the object

44
Q

2 factors to determine how much gravitational force will be exerted between two objects

A

-Distance between the objects.
-Mass of the objects

45
Q

Law of Conservation of Momentum

A

When a moving object collides with another object the momentum of the original object will give some or all of its momentum to the second object

46
Q

Static friction

A

Prevents two surfaces from sliding past each other due to microwelds have formed between the floor and the object

47
Q

Sliding friction

A

opposes the motion of two surfaces allowing the force to break through microwelds

48
Q

rolling friction

A

A frictional force when an object rolls on another

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